| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been go on in | 24 |
|
| 2 | have been going on in | 24 |
|
| 3 | have been go on in | 24 |
|
| 4 | has been go on in | 10 |
|
| 5 | had been go on in | 8 |
|
